Finding the Fourth Proportional to 75,577.24, 113,395.02 and 28,819.18
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Solution
The fourth proportional to 75,577.24, 113,395.02 and 28,819.18 is: 43,239.89
Step by Step Solution
- Step 1: Write the proportion equation
75,577.24 : 113,395.02 = 28,819.18 : x - Step 2: Convert to fraction form
75,577.24/113,395.02 = 28,819.18/x - Step 3: Cross multiply
75,577.24x = 113,395.02 × 28,819.18 - Step 4: Simplify right side
75,577.24x = 3,267,951,492.48 - Step 5: Solve for x
x = 3,267,951,492.48/75,577.24 - Step 6: Final answer
x = 43,239.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.